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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT05354206
Other study ID # 202111151
Secondary ID
Status Terminated
Phase N/A
First received
Last updated
Start date July 12, 2022
Est. completion date March 6, 2023

Study information

Verified date June 2023
Source Washington University School of Medicine
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Spinal cord injury leads to long-lasting paralysis and impairment. Re-enabling movement of paralyzed areas is challenging and more information is needed about neurological recovery. The purpose of this study is to understand the contribution of individual neural tracts to movements facilitated by transcutaneous spinal cord stimulation (SCS).


Description:

Spinal cord injury leads to long-lasting motor impairment and paralysis that currently is not "curable". Electrical spinal cord stimulation (SCS) is beginning to be used as a neuromodulation technique to re-enable movement of paralyzed areas, however the mechanisms of neurorecovery induced by electrical neuromodulation of the spinal cord remain poorly understood. The goal of this project is to generate evidence-based knowledge of changes in the short-term excitability of corticospinal and reticulospinal neural structures that may mediate immediate improvements in motor function enabled by SCS. The proposed study will: (1) determine which kinds of SCS-facilitated movements are mediated by the corticospinal tract. (2) determine which kinds of SCS-facilitated movements are mediated by the reticulospinal tract. Having a better understanding of the neural mechanisms that are enhanced by SCS can allow the development of therapies that directly target the excitability and plasticity states of these structures towards improved and accelerated recovery.


Recruitment information / eligibility

Status Terminated
Enrollment 20
Est. completion date March 6, 2023
Est. primary completion date March 6, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 16 Years to 65 Years
Eligibility Inclusion Criteria: Healthy volunteers - Age between 16-65 - Healthy individuals with no major conditions of any organ system Exclusion Criteria: Healthy volunteers - Not willing or able to provide consent - Any acute or chronic pain condition - Any acute or chronic disease of a major organ system - Use of analgesics within 24 hours prior to study appointment - Use of caffeine with 3 hours of study appointment - History of epilepsy - Implanted metal - Active medical problems Inclusion criteria: Participants with spinal cord injury (SCI) - Age between 16-65 - Traumatic SCI C4-T9 level, complete (ASIA A) or incomplete (ASIA B, C or D) - at least 1 year post injury - Stable medical condition - difficulty independently performing leg movements in routine activities - able to follow simple commands - able to speak and respond to questions Exclusion criteria: Participants with spinal cord injury (SCI) - Not willing or able to provide consent - Any acute or chronic pain condition - Any acute or chronic disease of a major organ system - Use of analgesics within 24 hours prior to study appointment - Use of caffeine with 3 hours of study appointment - Presence of tremors, spasms and other significant involuntary movements - Etiology of SCI other than trauma - Concomitant neurologic disease such as traumatic brain injury (TBI) that will significantly impact the ability to follow through on study directions, multiple sclerosis (MS), stroke or peripheral neuropathy) - History of significant medical illness (cardiovascular disease, uncontrolled diabetes, uncontrolled hypertension, osteoporosis, cancer, chronic obstructive pulmonary disease, severe asthma requiring hospitalization for treatment, renal insufficiency requiring dialysis, autonomic dysreflexia, etc). - Severe joint contractures disabling or restricting lower limb movements. - Unhealed fracture, contracture, pressure sore, urinary tract infection or other uncontrolled infections, other illnesses that might interfere with lower extremity exercises or testing activities - Depression, anxiety, or cognitive impairment - Deficit of visuo-spatial orientation - Sitting tolerance less than 1 hour - Severe hearing or visual deficiency - Miss more than 3 appointments without notification - Unable to comply with any of the procedures in the protocol - Botulinum toxin injection in lower extremity muscles in the prior six months - Any passive implants (osteosynthesis material, metallic plates or screws) below T9. - Any implanted stimulator in the body (pacemaker, vagus nerve stimulator, etc.) - History of alcoholism or another drug abuse - Pregnancy (or possible pregnancy) - Having an Intrathecal Baclofen Therapy Pump (ITB pump) - History of epilepsy

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Electrophysiology assessment - corticospinal tract
Kinematics and cortical spinal motor excitability
Electrophysiology assessment - reticulospinal tract
Kinematics and reticular spinal motor excitability
Training with some stimulation
Motor task combined with real or sham stimulation

Locations

Country Name City State
United States Washington University Saint Louis Missouri

Sponsors (1)

Lead Sponsor Collaborator
Washington University School of Medicine

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Changes in corticospinal tract excitability after training This primary outcome is a measure of changes in corticospinal tract excitability as quantified by changes in the amplitude size of motor evoked potentials. 30 minutes before and 30 minutes into intervention
Primary Changes in reticulospinal tract excitability after training This primary outcome is a measure of changes in reticulospinal tract excitability after training as quantified by changes in reaction time after a startling auditory stimulus. 30 minutes before and 30 minutes into intervention
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